TXNM ENERGY INC (TXNM) Institutional Shareholders
TXNM ENERGY INC (TXNM) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $6.34B in TXNM holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of TXNM tracked by InsiderSet, reporting ownership valued at approximately $828.75M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $836.49M, representing an estimated gain of +0.93% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 53% of the total disclosed TXNM value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Blackstone Inc., Balyasny Asset Management L.P., and several other long-term asset managers with concentrated positions in TXNM ENERGY INC (TXNM).
This page ranks the largest institutional TXNM shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
380
Total Reported Value
$6.34B
Largest Holder
Blackrock, Inc.
Largest Position
$828.75M
Insider Transactions (90d)
8
Latest Filing Quarter
Q2 2026
New Institutional Positions
37
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 14,595,837 | $828,751,664 | $836,487,418 | +$7,735,754 | +0.93% | |
| Blackstone Inc. | 1.48% | 8,000,000 | $454,240,000 | $458,480,000 | +$4,240,000 | +0.93% | |
| Balyasny Asset Management L.P. | 0.74% | 7,113,061 | $403,879,604 | $407,649,526 | +$3,769,922 | +0.93% | |
| Vanguard Portfolio Management Llc | 0.02% | 6,740,196 | $382,708,329 | $386,280,633 | +$3,572,304 | +0.93% | |
| Pentwater Capital Management Lp | 2.94% | 6,487,500 | $368,360,250 | $371,798,625 | +$3,438,375 | +0.93% | |
| Vanguard Capital Management Llc | 0.01% | 4,842,279 | $274,944,602 | $277,511,009 | +$2,566,407 | +0.93% | |
| State Street Corp | 0.01% | 4,124,968 | $234,215,683 | $236,401,916 | +$2,186,233 | +0.93% | |
| Geode Capital Management, Llc | 0.01% | 2,996,464 | $170,166,058 | $171,727,352 | +$1,561,294 | +0.92% | |
| Millennium Management Llc | 0.09% | 2,470,809 | $140,292,535 | $141,602,064 | +$1,309,529 | +0.93% | |
| Norges Bank | 0.01% | 2,264,722 | $128,590,915 | $129,791,218 | +$1,200,303 | +0.93% | |
| Goldman Sachs Group Inc | 0.01% | 2,206,304 | $125,273,948 | $126,443,282 | +$1,169,334 | +0.93% | |
| Qube Research & Technologies Ltd | 0.13% | 2,084,253 | $118,343,885 | $119,448,539 | +$1,104,654 | +0.93% | |
| Aqr Arbitrage Llc | 1.47% | 1,812,443 | $102,910,514 | $103,871,108 | +$960,594 | +0.93% | |
| Morgan Stanley | 0.00% | 1,583,353 | $89,902,874 | $90,741,960 | +$839,086 | +0.93% | |
| Magnetar Financial Llc | 0.75% | 1,448,220 | $82,229,932 | $82,997,488 | +$767,556 | +0.93% | |
| Melqart Asset Management (Uk) Ltd | 7.40% | 1,370,244 | $77,802,454 | $78,528,684 | +$726,230 | +0.93% | |
| Alliancebernstein L.P. | 0.03% | 1,328,638 | $77,672,177 | $76,144,244 | -$1,527,933 | -1.97% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,262,285 | $71,672,542 | $72,341,553 | +$669,011 | +0.93% | |
| Sixth Street Partners Management Company, L.P. | 0.01% | 1,262,285 | $71,672,542 | $72,341,553 | +$669,011 | +0.93% | |
| Northern Trust Corp | 0.01% | 1,208,968 | $68,645,203 | $69,285,956 | +$640,753 | +0.93% | |
| Invesco Ltd. | 0.01% | 1,203,808 | $68,352,218 | $68,990,236 | +$638,018 | +0.93% | |
| Verition Fund Management Llc | 0.48% | 1,203,109 | $68,312,529 | $68,950,177 | +$637,648 | +0.93% | |
| Governors Lane Lp | 6.14% | 1,079,170 | $61,275,273 | $61,847,233 | +$571,960 | +0.93% | |
| Lmr Partners Llp | 0.40% | 943,488 | $53,571,249 | $54,071,297 | +$500,048 | +0.93% | |
| Gabelli Funds Llc | 0.34% | 933,521 | $53,005,322 | $53,500,089 | +$494,767 | +0.93% | |
| Hsbc Holdings Plc | 0.02% | 889,385 | $50,712,733 | $50,970,654 | +$257,921 | +0.51% | |
| Marshall Wace, Llp | 0.04% | 889,956 | $50,531,703 | $51,003,378 | +$471,675 | +0.93% | |
| Hudson Bay Capital Management Lp | 0.26% | 888,032 | $50,422,457 | $50,893,114 | +$470,657 | +0.93% | |
| Empyrean Capital Partners, Lp | 1.62% | 812,554 | $46,136,816 | $46,567,470 | +$430,654 | +0.93% | |
| Nexpoint Asset Management, L.P. | 3.08% | 811,090 | $46,053,690 | $46,483,568 | +$429,878 | +0.93% | |
| Ubs Group Ag | 0.01% | 803,015 | $45,595,192 | $46,020,790 | +$425,598 | +0.93% | |
| Adage Capital Partners Gp, L.L.C. | 0.06% | 791,704 | $44,952,953 | $45,372,556 | +$419,603 | +0.93% | |
| Alberta Investment Management Corp | 0.26% | 791,387 | $44,934,954 | $45,354,389 | +$419,435 | +0.93% | |
| Gamco Investors, Inc. Et Al | 0.38% | 746,544 | $42,388,768 | $42,784,437 | +$395,669 | +0.93% | |
| Bank Of New York Mellon Corp | 0.01% | 743,474 | $42,214,435 | $42,608,495 | +$394,060 | +0.93% | |
| Water Island Capital Llc | 4.43% | 737,734 | $41,888,537 | $42,279,536 | +$390,999 | +0.93% | |
| Grantham, Mayo, Van Otterloo & Co. Llc | 0.09% | 688,984 | $39,120,512 | $39,485,673 | +$365,161 | +0.93% | |
| Vanguard Fiduciary Trust Co | 0.01% | 666,367 | $37,836,318 | $38,189,493 | +$353,175 | +0.93% | |
| Renaissance Technologies LLC | Jim Simons | 0.05% | 645,558 | $36,654,783 | $36,996,929 | +$342,146 | +0.93% |
| Two Sigma Investments, Lp | 0.03% | 609,070 | $34,582,995 | $34,905,802 | +$322,807 | +0.93% | |
| First Trust Advisors Lp | 0.02% | 549,405 | $31,195,196 | $31,486,401 | +$291,205 | +0.93% | |
| Sand Grove Capital Management Llp | 8.05% | 506,546 | $28,761,682 | $29,030,151 | +$268,469 | +0.93% | |
| Hbk Investments L P | 0.32% | 484,938 | $27,534,780 | $27,791,797 | +$257,017 | +0.93% | |
| Alpine Associates Management Inc. | 1.54% | 433,368 | $24,606,635 | $24,836,320 | +$229,685 | +0.93% | |
| Squarepoint Ops Llc | 0.05% | 430,937 | $24,468,603 | $24,696,999 | +$228,396 | +0.93% | |
| Legal & General Group Plc | 0.01% | 427,046 | $24,247,674 | $24,474,006 | +$226,332 | +0.93% | |
| Weiss Asset Management Lp | 0.26% | 411,513 | $23,365,708 | $23,583,810 | +$218,102 | +0.93% | |
| Segall Bryant & Hamill, Llc | 0.27% | 395,077 | $22,432,472 | $22,641,863 | +$209,391 | +0.93% | |
| Gabelli & Co Investment Advisers, Inc. | 3.23% | 391,636 | $22,237,092 | $22,444,659 | +$207,567 | +0.93% | |
| Calamos Advisors Llc | 0.08% | 380,686 | $21,615,351 | $21,817,115 | +$201,764 | +0.93% |
Frequently asked questions about TXNM
Who owns the most TXNM stock?
The largest holders of TXNM are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for TXNM ENERGY INC (TXNM).
Is TXNM widely held by superinvestors?
Many widely followed stocks like TXNM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly TXNM is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.